G
Greengrower8
- 102
- 28
Like a reservoir, use that as the known mix for add backs but his issue is that they all range diff. It’s why maybe make it into a drain to tanks and pump back so that no matter what they drink the solution would be equal irrespective of uptake , then simply makeup solution to add back reservoirs to optimum. Kinda a crude ebb and flow but still a dwc. Manual valves to drain all to central pump and recirc back in once a day or multiple x a day and adjust. 1x a day or 2I’ve found in dwc in-between res changes the best way to maintain a good ec is to addback only what is in high demand at the time with the amount of water you need to get to the right level. If your in mid veg and have gone from 4 gallons to 3 in your buckets you need to add 1 gallon back right? add it with only nitrate nitrogen at say 200ppm. You won’t maintain a ppm of exactly 1100 or whatever but it’s more important to get a boost of what you actually need than to just maintain a specific number. If you really want the numbers to add up than mix a extra bucket at your desired ppm and use it to refill
Seems like very high PPM's. I never go above 700 in veg and flower in unamended promix or coco.Ok. I have a plan. Here is the ppm schedule I use (this is from a well experience grower):
Veg
Week 1: 600
2: 900
1200, 1500, 1800 (hold there if vegging longer than 5 weeks)
Flower
1000, 1300, 1600, 1900 (hold there)
If there is any input about this, I’m all ears cuz this is the first time I’m measuring ppm at all. I’m already 2 weeks into flower. I will just change the water a few more times. And by the time the ppm is to be held steady at 1900, they will be all be drinking a gallon a day and it will be easy to add back the same proportion of nutrients during top offs, so I won’t have to change the water after that point.
Honestly, the more mind blowing thing for me is how much more nutrients I am adding to adhere to this ppm schedule. Like I said, previously at week 2 of flower, according to my recirculating nutrients chart, I would be adding 15/5/20ml per bucket of GH trio (and I got killer plants this way). The buckets I just changed for flower week 2 received 40/15/50ml per bucket and they are still only at around 1100ppm. This is a huge difference. Don’t get me wrong, the plants seem to love it. I have no complaints. Of course, these are all different strains from previous grows and I had been using tap (well) water up until this grow when I got my RO system. So it’s hard to compare.
Thanks for all the input guys!
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